45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[feature(managed_boxes)];
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trait Foo {
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fn borrowed<'a>(&'a self) -> &'a ();
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}
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fn borrowed_receiver<'a>(x: &'a Foo) -> &'a () {
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x.borrowed()
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}
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fn managed_receiver(x: @Foo) -> &() {
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x.borrowed() //~ ERROR cannot root managed value long enough
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}
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fn managed_receiver_1(x: @Foo) {
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*x.borrowed()
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}
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fn owned_receiver(x: ~Foo) -> &() {
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x.borrowed() //~ ERROR borrowed value does not live long enough
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}
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fn mut_owned_receiver(mut x: ~Foo) {
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let _y = x.borrowed();
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let _z = &mut x; //~ ERROR cannot borrow
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}
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fn imm_owned_receiver(mut x: ~Foo) {
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let _y = x.borrowed();
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let _z = &x;
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}
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fn main() {}
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